 Thus a sandy soil may owe its fertility to the power of the sub-soil to retain water; and an absorbent clayey soil may occasionally be prevented from being barren, in a moist climate, by the influence of a substratum of sand or gravel.  A System of Chemistry - Seite 87von John Murray - 1809Vollansicht - Über dieses Buch
 | Repertory of arts, manufactures and agriculture - 1805 - 534 Seiten
...particularly attended to, in considering' their chemical nature, and the system of improvement. Thus a sandy soil may sometimes owe its fertility to the...be prevented from being barren, in a moist climate, by the influence of a substratum of sand or gravel. XVIII. Of the chemical Composition of fertile Corn... | |
 | 1805 - 534 Seiten
...particularly attended to, in considering their chemical nature, and the system of improvement. Thus a sandy soil may sometimes owe its fertility to the...be prevented from being barren, in a moist climate, by the influence of a substratum of sand or gravel. XVIII. Of the chemical Composition of fertile Corn... | |
 | Friedrich Christian Accum - 1808 - 492 Seiten
...particularly attended to, in considering their chemical nature, and the system of improvement. Thus a sandy soil may sometimes owe its fertility to the...be prevented from being barren, in a moist climate, by the influence of a substratum of sand or gravel. 18. Of the Chemical Composition of fertile Corn... | |
 | Andrew Ure - 1821 - 418 Seiten
...attended to, in considering their chemical nature, and the system of improvement. Thus a sandy soil may owe its fertility to the power of the sub-soil to...be prevented from being barren, in a moist climate, by the influence of a substratum of sand or gravel. Those soils that are most productive of corn, contain... | |
 | Andrew Ure - 1821 - 512 Seiten
...and the system of improvement. Thus a sandy soil may owe its fertility to the power of the sub-yoil to retain water; and an absorbent clayey soil may...be prevented from being barren, in a moist climate, by the influence of a substratum of sand or gravel. TI lose soils that arc moit productive of corn,... | |
 | Anthony Todd Thomson - 1822 - 778 Seiten
...by the nature of the subsoil, " or the earthy and stony strata on which they VOL. I. Q " rest. Thus, a sandy soil may sometimes owe its " fertility to...to retain "water; and an absorbent clayey soil may oc" casionally be prevented from being barren, in a " moist climate, by the influence of a substra"... | |
 | F. ACCUM - 1828 - 526 Seiten
...particularly attended to in considering their chemical nature, and the system of improvement. Thus a sandy soil may sometimes owe its fertility to the...be prevented from being barren, in a moist climate, by the influence of a substratum of sand or gravel. 16. — Of the chemical composition of fertile... | |
 | Library, John Baxter - 1830 - 614 Seiten
...and the system of improvement. Thus a sandy soil may owe its fertility to the power of the subsoil lo retain water : and an absorbent clayey soil may occasionally...be prevented from being barren in a moist climate, by the influence of a substratum of sand or gravel. Those soils that are most productive of corn, contain... | |
 | Sharon Turner - 1834 - 610 Seiten
...remains which • ' The productiveness of soil must be influenced by the nature of the subsoil. Thus a sandy soil may sometimes owe its fertility to the...be prevented from being barren, in a moist climate, by the influence of a substratum of sand and gravel.' Sir H. Davy, Anal. p. 14. — ' Many fields contain,... | |
 | 1839 - 520 Seiten
...be influenced by the nature of the subsoil, or the earthy and stony strata on which they rest. Thus, a sandy soil may sometimes owe its fertility to the...be prevented from being barren, in a moist climate, by the influence of a substratum of sand or gravel. Every farmer knows the fact, that many plants «•... | |
| |
